CN117222217A - Precise assembly device and method for circuit board for camera module - Google Patents
Precise assembly device and method for circuit board for camera module Download PDFInfo
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- CN117222217A CN117222217A CN202311465422.1A CN202311465422A CN117222217A CN 117222217 A CN117222217 A CN 117222217A CN 202311465422 A CN202311465422 A CN 202311465422A CN 117222217 A CN117222217 A CN 117222217A
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Abstract
The invention discloses a precise assembly device and a precise assembly method for a circuit board for a camera module, which relate to the technical field of assembly of an end socket and a sheath on the circuit board, and comprise an embedding mechanism, a rotating mechanism and a sleeving mechanism, wherein the embedding mechanism is arranged on a table top of a workbench and is sequentially arranged from right to left and is used for assembling the end socket on the circuit board, the rotating mechanism is used for positioning and turnover the circuit board, and the sleeving mechanism is used for sleeving the sheath on a pin of the end socket; the rotating mechanism comprises a stepping motor fixedly arranged on the table surface of the workbench and a positioning table fixedly arranged on the output shaft of the stepping motor; the embedding mechanism comprises a base fixedly arranged on the table surface of the workbench, a feeding cylinder fixedly arranged on the right end surface of the base, a positioning block for positioning the end head body of the end head is fixedly arranged on the acting end of the piston rod of the positioning cylinder, and a pushing block is fixedly arranged on the acting end of the piston rod of the pushing cylinder. The beneficial effects of the invention are as follows: prevent that the end body from buckling and deforming, make the sheath can wrap up the stabilizer blade completely, greatly improve circuit board assembly accuracy.
Description
Technical Field
The invention relates to the technical field of assembling an end socket and a sheath on a circuit board, in particular to a circuit board precision assembling device and method for a camera module.
Background
A circuit board is installed in the camera module for monitoring generally, and the circuit board is connected with the display screen in the control room through the end, and the camera module transmits the picture of shooing to the circuit board, and the circuit board transmits the picture to the display screen with the end again to play the purpose of monitoring.
The structure of a circuit board in a camera module is shown in fig. 1-2, and the circuit board comprises a board body 1, a bonding pad 2 welded on the top surface of the right end part of the board body 1, and a blind groove 3 is formed in the right end surface of the bonding pad 2. The process requires that an end head shown in fig. 3-4 is assembled on a circuit board, and the structure of the assembled circuit board and the assembled end head is shown in fig. 5-6; after assembly, a sheath 6 shown in fig. 7-8 is sleeved on the pins 5 of the end head, so that the assembly of the circuit board is realized, and further, a product shown in fig. 9-10 is obtained, wherein the sheath 6 plays a role in protecting the pins 5, and scratches of the sheath 6 are avoided.
The operation method for assembling the end socket on the circuit board in the workshop and sleeving the pin 5 on the pin 5 of the end socket is as follows:
s1, taking out a circuit board by a worker, and horizontally placing a board body 1 of the circuit board on an assembly table;
s2, taking out one end, embedding an end body 4 of the end into a blind groove 3 of a bonding pad 2 of the circuit board from right to left, and ensuring that the end body 4 is completely embedded into the blind groove 3, thereby realizing the assembly of the circuit board and the end;
s3, taking out a sheath 6 by a worker, sleeving the opening of the sheath 6 on the pin 5 of the end head from right to left, so that sleeving the sheath 6 on the pin 5 of the end head is realized, and finally, the assembly of a circuit board is realized, and further, the product shown in fig. 7-8 is finally obtained.
However, although the method in the workshop can realize the assembly of the circuit board, the following technical defects still exist in the actual assembly process:
I. in step S2, when the worker inserts the header body 4 of the header into the blind groove 3 of the pad 2, the worker applies an upward force to the header body 4 due to a malfunction, the direction of the force being indicated by the arrow in fig. 11, which causes bending deformation of the header body 4 (whereas the process requires the header body 4 to be in a horizontal state), thereby greatly reducing the quality of the assembly of the circuit board with the header, and further reducing the accuracy of the assembly of the circuit board.
II. In step S3, when the worker installs the sheath 6 on the pin 5 of the terminal, if the force is insufficient, the sheath 6 does not completely cover the pin 5, as shown in fig. 12, thereby reducing the assembly quality of the pin 5 and the sheath 6, and further reducing the assembly accuracy of the circuit board. Therefore, there is a need for an assembly device and method that prevents bending deformation of the header body, allows the sheath to completely cover the legs, and greatly improves the assembly accuracy of the circuit board.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a circuit board precision assembly device and a circuit board precision assembly method for a camera module, which are used for preventing an end head body from bending and deforming, enabling a sheath to completely cover a supporting leg and greatly improving the assembly precision of the circuit board.
The aim of the invention is achieved by the following technical scheme: the precise circuit board assembling device for the camera module comprises an embedding mechanism, a rotating mechanism and a sleeving mechanism, wherein the embedding mechanism is arranged on a table top of a workbench and is sequentially arranged from right to left and used for assembling an end head on a circuit board, the rotating mechanism is used for positioning and turnover the circuit board, and the sleeving mechanism is used for sleeving a sheath on a pin of the end head;
the rotating mechanism comprises a stepping motor fixedly arranged on the table surface of the workbench and a positioning table fixedly arranged on the output shaft of the stepping motor, a sinking groove is formed in the top surface of the positioning table, and the sinking groove is matched with the outer contour of the plate body of the circuit board;
the embedded mechanism comprises a base fixedly arranged on the table top of the workbench and a feeding cylinder fixedly arranged on the right end face of the base, an L plate is fixedly arranged on the acting end of a piston rod of the feeding cylinder, a platform is fixedly arranged on a vertical plate of the L plate, a positioning cylinder is fixedly arranged on a horizontal plate of the L plate, a positioning block for positioning an end head body of the end head is fixedly arranged on the acting end of the piston rod of the positioning cylinder, a positioning groove matched with the outer contour of the end head body is formed in the top surface of the positioning block, a pushing cylinder is fixedly arranged on the top surface of the platform, a pushing block is fixedly arranged on the acting end of the piston rod of the pushing cylinder, the left end face of the pushing block abuts against the right end face of the positioning block, a groove communicated with the positioning groove is formed in the top surface of the pushing block, and the groove is matched with the outer contour of the pin of the end head.
The depth of the sinking groove is smaller than the thickness of the board body of the circuit board.
The bottom surface of the workbench is fixedly provided with a plurality of supporting legs which are supported on the ground.
The L-plate vertical plate is welded on the acting end of the piston rod of the feeding cylinder, and the cylinder barrel of the positioning cylinder is fixedly arranged on the bottom surface of the L-plate horizontal plate.
The sleeving mechanism comprises a machine table fixedly arranged on the table surface of the workbench, a linear vibrator fixedly arranged on the table surface of the machine table and a guide rail fixedly arranged on the vibrating end of the linear vibrator, wherein the width of the guide rail is equal to the longitudinal width of the sheath, and a baffle is welded at the right end part of the guide rail.
The sleeving mechanism further comprises a portal frame which is fixedly arranged on the table surface of the workbench and is erected right above the guide rail, a grabbing mechanism for grabbing the sheath is arranged on the top surface of the portal frame beam, the grabbing mechanism comprises a horizontal cylinder which is fixedly arranged on the top surface of the portal frame beam and a vertical cylinder which is fixedly arranged on the acting end of a piston rod of the horizontal cylinder, a vacuum tube is fixedly arranged on the acting end of the piston rod of the vertical cylinder, a top end opening of the vacuum tube is connected with the vacuum pump through a hose, a sucking disc which is communicated with the vacuum tube is fixedly arranged at the bottom end opening of the vacuum tube, the sucking disc is arranged right above the guide rail, and a plurality of small holes which are communicated with the inner cavity of the sucking disc are formed in the bottom surface of the sucking disc.
A connecting plate is welded between the vacuum tube and the acting end of the vertical cylinder piston rod.
The assembly device further comprises a controller, wherein the controller is electrically connected with the positioning cylinder, the pushing cylinder, the horizontal cylinder, the vertical cylinder, the vacuum pump and the linear vibrator through signal wires.
A precise assembly method of a circuit board for a camera module comprises the following steps:
s1, placing a plurality of sheaths in a guide rail of a sleeving mechanism, and ensuring that openings of the sheaths are all placed towards the right;
s2, positioning a circuit board: the worker takes out a circuit board, embeds the board body of the circuit board into the sinking groove of the positioning table of the rotating mechanism from top to bottom, and the sinking groove is matched with the outer contour of the board body of the circuit board, so that the positioning of the circuit board is realized, and at the moment, the blind groove of the bonding pad on the circuit board is just opposite to the positioning groove of the positioning block of the embedding mechanism from left to right;
s3, assembling an end on a bonding pad of the circuit board, wherein the specific operation steps are as follows:
s31, positioning of the end heads: the worker takes out one end, the end body of the end is embedded into the positioning groove of the positioning block of the embedding mechanism from top to bottom, and the pin of the end is embedded into the groove of the push block, so that the positioning of the end is realized because the outer contour of the end body is matched with the positioning groove, and the left end part of the end body of the end is positioned at the outer side of the positioning block;
s32, preliminarily embedding the left end part of the end head body of the end head into the blind groove: the piston rod of the feeding cylinder is controlled to extend leftwards, the piston rod drives the L plate to move leftwards, the L plate drives the positioning cylinder and the pushing cylinder to synchronously move leftwards, and then the positioning block and the pushing block are driven to synchronously move leftwards, and further the end head body of the end head is driven to move towards the blind groove direction of the bonding pad; when the piston rod of the feeding cylinder is completely extended, the left end part of the end head body is just embedded into the blind groove of the bonding pad, so that the left end part of the end head body of the end head is preliminarily embedded into the blind groove;
s33, controlling a piston rod of the positioning cylinder to retract downwards, and enabling the piston rod to drive the positioning block to retract downwards, wherein the positioning block is separated from the end head body of the end head;
s34, controlling a piston rod of a pushing cylinder to extend leftwards, driving a pushing block to move leftwards by the piston rod, pushing the right end face of the end body to move leftwards by the pushing block, gradually pushing the end body into a blind groove of a bonding pad along with the gradual extension of the piston rod of the pushing cylinder, and completely pushing the end body of the end into the blind groove of the bonding pad after the piston rod of the pushing cylinder extends completely, so that the end is assembled on the bonding pad of a circuit board;
s35, controlling a piston rod of the pushing cylinder to retract rightwards so as to reset the pushing block, and then controlling a piston rod of the positioning cylinder to extend upwards so as to reset the positioning block;
s4, controlling a stepping motor of the rotating mechanism to start, enabling the stepping motor to drive a positioning table to rotate, enabling a circuit board to synchronously rotate, enabling the circuit board to drive a bonding pad and an end to synchronously rotate, and controlling the stepping motor to be closed by a controller after the circuit board rotates 180 degrees;
s5, sleeving a sheath on the pin of the end head, wherein the specific operation steps are as follows:
s51, controlling the linear vibrator to start, enabling the linear vibrator to vibrate the guide rail, enabling all sheaths in the guide rail to move rightwards under vibration, and controlling the linear vibrator to be closed by a worker after the worker observes that the sheath at the rightmost end in the guide rail is blocked by the baffle;
s52, adsorbing the rightmost sheath: the piston rod of the vertical cylinder is controlled to extend downwards, the piston rod drives the vacuum tube to move downwards, the vacuum tube drives the sucker to move downwards, and when the piston rod of the vertical cylinder extends completely, the bottom surface of the sucker is just stuck to the top surface of the right-most sheath; then controlling a vacuum pump to start, wherein the vacuum pump vacuumizes the inner cavities of the vacuum tube and the sucker, and the sheath is adsorbed on the bottom surface of the sucker under negative pressure;
s53, lifting the sheath: the piston rod of the vertical cylinder is controlled to retract upwards, the piston rod drives the vacuum tube to move upwards, the vacuum tube drives the sucker to move upwards, the sucker drives the adsorbed sheath to move upwards, after the piston rod of the vertical cylinder is completely retracted, the sheath can be lifted, and at the moment, the opening of the sheath is just opposite to the left and right sides of the pin of the end head;
s54, controlling a piston rod of the horizontal cylinder to extend rightwards, driving the vertical cylinder to move rightwards by the piston rod, driving the sucking disc and the adsorbed sheath to move rightwards, and enabling the sheath to move towards the pin from left to right, and sleeving the sheath on the pin of the end after the piston rod of the horizontal cylinder extends completely, so that sleeving the sheath on the pin of the end is finally realized, and further, a required product is assembled;
s55, controlling the vacuum pump to be closed, enabling the sucker to be not adsorbed on the sheath any more, and then controlling the piston rod of the horizontal cylinder to retract and reset to the left, wherein the piston rod drives the sucker to reset;
s6, taking out the product from the sinking groove of the positioning table by workers;
s7, repeating the operations of the steps S2-S6, so that the assembly of a plurality of circuit boards can be continuously realized, and a plurality of required products can be assembled.
The invention has the following advantages: the invention prevents the end body from bending and deforming, so that the sheath can completely cover the support legs, and the assembly precision of the circuit board is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a circuit board in a camera module;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the tip;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic diagram of the assembled circuit board and header;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic structural view of a sheath;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a schematic diagram of the structure of the assembled product;
FIG. 10 is a top view of FIG. 9;
FIG. 11 is a schematic illustration of a worker mishandling and applying an upward force to the header body;
FIG. 12 is a schematic view of the sheath not fully encasing the legs;
FIG. 13 is a schematic view of the structure of the present invention
FIG. 14 is a schematic view of a rotary mechanism
FIG. 15 is a schematic view of the structure of the embedding mechanism;
FIG. 16 is a schematic view in the direction A of FIG. 15;
FIG. 17 is a schematic view of the construction of the encasement mechanism;
FIG. 18 is a schematic view in the direction B of FIG. 17;
FIG. 19 is a schematic view of the placement of a plurality of sheaths within the rail, and the positioning of the circuit board and termination points;
FIG. 20 is a schematic view in the direction C of FIG. 19;
FIG. 21 is a schematic view in the D direction of FIG. 19;
FIG. 22 is a schematic view of the left end of the header body of the header being initially inserted into the blind slot;
FIG. 23 is a schematic view of the positioning block separated from the header body of the header;
FIG. 24 is a schematic illustration of pushing the header body of the header into the blind recess of the bonding pad;
FIG. 25 is a schematic diagram of positioning block reset;
FIG. 26 is a schematic view of the circuit board rotated 180;
FIG. 27 is a schematic view of the suction cup in contact with the sheath;
FIG. 28 is a schematic view of the suction cup lifting the sheath;
FIG. 29 is a schematic view of a sheath being placed over a pin of a header;
FIG. 30 is a schematic diagram of a chuck reset;
in the figure:
1-plate body, 2-bonding pad, 3-blind groove, 4-end head body, 5-pin and 6-sheath;
the device comprises a 7-workbench, an 8-embedding mechanism, a 9-rotating mechanism, a 10-sleeving mechanism, a 11-stepping motor, a 12-positioning table, a 13-sinking groove, a 14-base, a 15-feeding cylinder, a 16-L plate, a 17-platform, a 18-positioning cylinder, a 19-positioning block, a 20-positioning groove, a 21-pushing cylinder, a 22-pushing block, a 23-groove, a 24-machine, a 25-linear vibrator, a 26-guide rail, a 27-baffle, a 28-portal frame, a 29-grabbing mechanism, a 30-horizontal cylinder, a 31-vertical cylinder, a 32-vacuum tube and a 33-sucker.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in fig. 13-18, the precise circuit board assembling device for the camera module comprises an embedding mechanism 8, a rotating mechanism 9 and a sleeving mechanism 10, wherein the embedding mechanism 8 is arranged on the surface of a workbench 7 and is sequentially arranged from right to left and is used for assembling an end head on a circuit board, the rotating mechanism 9 is used for positioning and turnover the circuit board, and the sleeving mechanism 10 is used for sleeving a sheath 6 on a pin 5 of the end head; the rotating mechanism 9 comprises a stepping motor 11 fixedly arranged on the table surface of the workbench 7, a positioning table 12 fixedly arranged on the output shaft of the stepping motor 11, a plurality of supporting legs supported on the ground are fixedly arranged on the bottom surface of the workbench 7, a sinking groove 13 is formed in the top surface of the positioning table 12, the sinking groove 13 is matched with the outer contour of the board body 1 of the circuit board, and the depth of the sinking groove 13 is smaller than the thickness of the board body 1 of the circuit board.
The embedded mechanism 8 comprises a base 14 fixedly arranged on the table surface of the workbench 7, a feeding cylinder 15 fixedly arranged on the right end surface of the base 14, an L plate 16 is fixedly arranged on the acting end of a piston rod of the feeding cylinder 15, a vertical plate of the L plate 16 is welded on the acting end of the piston rod of the feeding cylinder 15, a cylinder barrel of the positioning cylinder 18 is fixedly arranged on the bottom surface of a horizontal plate of the L plate 16, a platform 17 is fixedly arranged on the vertical plate of the L plate 16, a positioning cylinder 18 is fixedly arranged on the horizontal plate of the L plate 16, a positioning block 19 for positioning the end head body 4 of the end head is fixedly arranged on the acting end of the piston rod of the positioning cylinder 18, a positioning groove 20 matched with the outer contour of the end head body 4 is formed in the top surface of the positioning block 19, a pushing cylinder 21 is fixedly arranged on the top surface of the platform 17, a pushing block 22 is fixedly arranged on the acting end of the piston rod of the pushing cylinder 21, the left end surface of the pushing block 22 abuts against the right end surface of the positioning block 19, a groove 23 communicated with the positioning groove 20 is formed in the top surface of the pushing block 22, and the groove 23 is matched with the outer contour of the end head pin 5.
The sleeving mechanism 10 comprises a machine table 24 fixedly arranged on the table surface of the workbench 7, a linear vibrator 25 fixedly arranged on the table surface of the machine table 24, and a guide rail 26 fixedly arranged on the vibration end of the linear vibrator 25, wherein the groove width of the guide rail 26 is equal to the longitudinal width of the sheath 6, and a baffle 27 is welded at the right end part of the guide rail 26. The sleeving mechanism 10 further comprises a portal frame 28 fixedly arranged on the table surface of the workbench 7 and erected right above the guide rail 26, a grabbing mechanism 29 used for grabbing the sheath 6 is arranged on the top surface of a beam of the portal frame 28, the grabbing mechanism 29 comprises a horizontal cylinder 30 fixedly arranged on the top surface of the beam of the portal frame 28 and a vertical cylinder 31 fixedly arranged on the acting end of a piston rod of the horizontal cylinder 30, a vacuum tube 32 is fixedly arranged on the acting end of the piston rod of the vertical cylinder 31, a connecting plate is welded between the vacuum tube 32 and the acting end of the piston rod of the vertical cylinder 31, the top port of the vacuum tube 32 is connected with a vacuum pump through a hose, a sucker 33 communicated with the vacuum tube 32 is fixedly arranged at the bottom port of the vacuum tube 32, the sucker 33 is arranged right above the guide rail 26, and a plurality of small holes communicated with the inner cavity of the sucker 33 are formed in the bottom surface of the sucker 33.
The assembly device further comprises a controller, wherein the controller is electrically connected with the positioning cylinder 18, the pushing cylinder 21, the horizontal cylinder 30, the vertical cylinder 31, the vacuum pump and the linear vibrator 25 through signal wires.
A precise assembly method of a circuit board for a camera module comprises the following steps:
s1, placing a plurality of sheaths 6 shown in fig. 7-8 in a guide rail 26 of the sleeving mechanism 10, and ensuring that openings of the sheaths 6 are all placed to the right, as shown in fig. 19-20;
s2, positioning a circuit board: the worker takes out a circuit board as shown in fig. 1-2, embeds the board body 1 of the circuit board into the sinking groove 13 of the positioning table 12 of the rotating mechanism 9 from top to bottom, and the sinking groove 13 is matched with the outer contour of the board body 1 of the circuit board, so that the positioning of the circuit board is realized, as shown in fig. 19 and 21, the blind groove 3 of the bonding pad 2 on the circuit board is just opposite to the positioning groove 20 of the positioning block 19 of the embedding mechanism 8 from left to right;
s3, assembling an end on a bonding pad 2 of the circuit board, wherein the specific operation steps are as follows:
s31, positioning of the end heads: the worker takes out one end as shown in fig. 3-4, inserts the end body 4 of the end into the positioning groove 20 of the positioning block 19 of the embedding mechanism 8 from top to bottom, and inserts the pin 5 of the end into the groove 23 of the push block 22, and the positioning of the end is realized because the outer contour of the end body 4 is matched with the positioning groove 20, as shown in fig. 19 and 21, the left end part of the end body 4 of the end is positioned outside the positioning block 19;
s32, preliminarily embedding the left end part of the end head body 4 of the end head into the blind groove 3: the piston rod of the feeding cylinder 15 is controlled to extend leftwards, the piston rod drives the L plate 16 to move leftwards, the L plate 16 drives the positioning cylinder 18 and the pushing cylinder 21 to synchronously move leftwards, and then the positioning block 19 and the pushing block 22 are driven to synchronously move leftwards, and further the end head body 4 of the end head is driven to move towards the blind groove 3 of the bonding pad 2; when the piston rod of the feeding cylinder 15 is fully extended, the left end part of the head body 4 is just embedded in the blind groove 3 of the bonding pad 2, so that the left end part of the head body 4 of the head is preliminarily embedded in the blind groove 3, as shown in fig. 22;
s33, controlling a piston rod of the positioning cylinder 18 to retract downwards, and driving the positioning block 19 to retract downwards by the piston rod, wherein the positioning block 19 is separated from the end head body 4 of the end head, as shown in FIG. 23;
s34, controlling a piston rod of a pushing cylinder 21 to extend leftwards, driving a pushing block 22 to move leftwards by the piston rod, pushing the right end face of an end head body 4 to move leftwards by the pushing block 22, gradually pushing the end head body 4 into a blind groove 3 of a bonding pad 2 along with gradual extension of the piston rod of the pushing cylinder 21, and completely pushing the end head body 4 of the end head into the blind groove 3 of the bonding pad 2 after the piston rod of the pushing cylinder 21 extends completely, wherein the end head is assembled on the bonding pad 2 of a circuit board, and the assembled end head is shown in fig. 5-6;
s35, controlling the piston rod of the pushing cylinder 21 to retract rightwards so as to reset the pushing block 22, and then controlling the piston rod of the positioning cylinder 18 to extend upwards so as to reset the positioning block 19, as shown in FIG. 25;
in this step S3, the present assembling apparatus firstly inserts the left end portion of the header body 4 of the header into the blind groove 3 by extending the piston rod of the feed cylinder 15, and then controls the leftward extension of the piston rod of the push cylinder 21 to push the push block 22 from right to left to horizontally move the header body 4 leftward, and the push block 22 gradually pushes the header body 4 into the blind groove 3 of the bonding pad 2, so as to assemble the header on the circuit board.
Therefore, compared with the method of manually embedding the end body 4 into the blind groove 3 as shown in fig. 11, the assembly device effectively avoids bending deformation of the end body 4, so that the assembly device ensures that the end body 4 is still in a horizontal state after being embedded into the blind groove 3, thereby greatly improving the assembly quality of a circuit board and the end, and further greatly improving the assembly precision of the circuit board.
S4, controlling a stepping motor 11 of the rotating mechanism 9 to start, enabling the stepping motor 11 to drive a positioning table 12 to rotate, enabling the positioning table 12 to drive a circuit board to synchronously rotate, enabling the circuit board to drive a bonding pad 2 and an end to synchronously rotate, and controlling the stepping motor 11 to be closed by a controller after the circuit board rotates 180 degrees as shown in FIG. 26;
s5, sleeving a sheath 6 on the pin 5 of the end, wherein the specific operation steps are as follows:
s51, controlling the linear vibrator 25 to start, enabling the linear vibrator 25 to vibrate the guide rail 26, enabling all the sheaths 6 positioned in the guide rail 26 to move rightwards under vibration, and controlling the linear vibrator 25 to close after a worker observes that the sheath 6 positioned at the rightmost end in the guide rail 26 is blocked by the baffle 27;
s52, adsorbing the rightmost sheath 6: the piston rod of the vertical cylinder 31 is controlled to extend downwards, the piston rod drives the vacuum tube 32 to move downwards, the vacuum tube 32 drives the sucker 33 to move downwards, and when the piston rod of the vertical cylinder 31 extends completely, the bottom surface of the sucker 33 is just stuck to the top surface of the rightmost sheath 6, as shown in fig. 27; then the vacuum pump is controlled to start, the vacuum pump vacuumizes the inner cavities of the vacuum tube 32 and the sucker 33, and under negative pressure, the sheath 6 is adsorbed on the bottom surface of the sucker 33;
s53, lifting the sheath 6: the piston rod of the vertical cylinder 31 is controlled to retract upwards, the piston rod drives the vacuum tube 32 to move upwards, the vacuum tube 32 drives the sucker 33 to move upwards, the sucker 33 drives the adsorbed sheath 6 to move upwards, when the piston rod of the vertical cylinder 31 is completely retracted, the sheath 6 can be lifted, as shown in fig. 28, and at the moment, the opening of the sheath 6 is just opposite to the left and right sides of the pin 5 of the end;
s54, controlling a piston rod of the horizontal cylinder 30 to extend rightwards, driving the vertical cylinder 31 to move rightwards by the piston rod, further driving the sucking disc 33 and the adsorbed sheath 6 to move rightwards, and enabling the sheath 6 to move towards the pin 5 from left to right, sleeving the sheath 6 on the pin 5 of the end after the piston rod of the horizontal cylinder 30 extends completely, as shown in fig. 29, so that sleeving the sheath 6 on the pin 5 of the end is finally realized, further, a required product is assembled, and the structure of the product is shown in fig. 9-10;
s55, controlling the vacuum pump to be closed, preventing the sucker 33 from being adsorbed on the sheath 6, and then controlling the piston rod of the horizontal cylinder 30 to retract and reset to the left, wherein the piston rod drives the sucker 33 to reset as shown in FIG. 30;
as can be seen from step S5, after the suction cup 33 lifts the sheath 6 of the guide rail 26, the adsorbed sheath 6 can be gradually sleeved on the pin 5 from left to right by controlling the extension of the piston rod of the horizontal cylinder 30, and after the piston rod of the horizontal cylinder 30 extends completely, the sheath 6 is just completely wrapped outside the pin 5. Therefore, compared with the manual sleeving of the sheath 6 on the pin 5 as shown in fig. 12, the assembly device ensures that the sheath 6 can completely cover the pin 5, so that the assembly quality of the pin 5 and the sheath 6 is greatly improved, and the assembly precision of a circuit board is further improved.
S6, taking out the product from the sinking groove 13 of the positioning table 12 by a worker, wherein the taking-out direction is shown by an arrow in FIG. 30;
s7, repeating the operations of the steps S2-S6, so that the assembly of a plurality of circuit boards can be continuously realized, and a plurality of required products can be assembled.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a circuit board precision assembly device for camera module which characterized in that: the device comprises an embedding mechanism (8) which is arranged on the table top of a workbench (7) and is sequentially arranged from right to left and is used for assembling an end head on a circuit board, a rotating mechanism (9) which is used for positioning and turning over the circuit board, and a sleeving mechanism (10) which is used for sleeving a sheath (6) on a pin (5) of the end head;
the rotating mechanism (9) comprises a stepping motor (11) fixedly arranged on the table top of the workbench (7) and a positioning table (12) fixedly arranged on the output shaft of the stepping motor (11), a sinking groove (13) is formed in the top surface of the positioning table (12), and the sinking groove (13) is matched with the outer contour of the board body (1) of the circuit board;
the embedded mechanism (8) comprises a base (14) fixedly arranged on the table top of the workbench (7), and a feeding cylinder (15) fixedly arranged on the right end face of the base (14), wherein an L plate (16) is fixedly arranged at the acting end of a piston rod of the feeding cylinder (15), a platform (17) is fixedly arranged on the vertical plate of the L plate (16), a positioning cylinder (18) is fixedly arranged on the horizontal plate of the L plate (16), a positioning block (19) for positioning the end head body (4) is fixedly arranged at the acting end of the piston rod of the positioning cylinder (18), a positioning groove (20) matched with the outer contour of the end head body (4) is formed in the top surface of the positioning block (19), a pushing cylinder (21) is fixedly arranged on the top surface of the platform (17), a pushing block (22) is fixedly arranged at the acting end of the piston rod of the pushing cylinder (21), the left end face of the pushing block (22) is abutted to the right end face of the positioning block (19), a groove (23) communicated with the positioning groove (20) is formed in the top surface of the pushing block (22), and the contour of the pin (5) of the end head is matched with the groove (23).
2. The circuit board precision assembly device for a camera module according to claim 1, wherein: the depth of the sinking groove (13) is smaller than the thickness of the board body (1) of the circuit board.
3. The circuit board precision assembly device for a camera module according to claim 2, wherein: the bottom surface of the workbench (7) is fixedly provided with a plurality of supporting legs which are supported on the ground.
4. A circuit board precision assembly device for a camera module according to claim 3, wherein: the L plate (16) is welded on the acting end of a piston rod of the feeding cylinder (15), and a cylinder barrel of the positioning cylinder (18) is fixedly arranged on the bottom surface of the horizontal plate of the L plate (16).
5. The precise circuit board assembly device for the camera module according to claim 4, wherein: the sleeving mechanism (10) comprises a machine table (24) fixedly arranged on the table top of the workbench (7), a linear vibrator (25) fixedly arranged on the table top of the machine table (24) and a guide rail (26) fixedly arranged on the vibration end of the linear vibrator (25), wherein the groove width of the guide rail (26) is equal to the longitudinal width of the sheath (6), and a baffle plate (27) is welded at the right end part of the guide rail (26).
6. The precise circuit board assembly device for the camera module according to claim 5, wherein: the sleeving mechanism (10) further comprises a portal frame (28) fixedly arranged on the table top of the workbench (7) and erected right above the guide rail (26), a grabbing mechanism (29) for grabbing the sheath (6) is arranged on the top surface of a cross beam of the portal frame (28), the grabbing mechanism (29) comprises a horizontal cylinder (30) fixedly arranged on the top surface of the cross beam of the portal frame (28), a vertical cylinder (31) fixedly arranged on the acting end of a piston rod of the horizontal cylinder (30), a vacuum tube (32) is fixedly arranged on the acting end of the piston rod of the vertical cylinder (31), the top end opening of the vacuum tube (32) is connected with a vacuum pump through a hose, a sucker (33) communicated with the vacuum tube is fixedly arranged at the bottom end opening of the vacuum tube (32), and a plurality of small holes communicated with the inner cavity of the sucker (33) are formed in the bottom surface of the sucker (33).
7. The precise circuit board assembly device for the camera module according to claim 6, wherein: a connecting plate is welded between the vacuum tube (32) and the acting end of the piston rod of the vertical cylinder (31).
8. The circuit board precision assembling device for a camera module according to claim 7, wherein: the assembly device further comprises a controller, wherein the controller is electrically connected with the positioning cylinder (18), the pushing cylinder (21), the horizontal cylinder (30), the vertical cylinder (31), the vacuum pump and the linear vibrator (25) through signal wires.
9. The circuit board precision assembly method for the camera module, which adopts the circuit board precision assembly device for the camera module as claimed in claim 8, is characterized in that: it comprises the following steps:
s1, placing a plurality of sheaths (6) in a guide rail (26) of a sleeving mechanism (10), and ensuring that openings of the sheaths (6) are all placed towards the right;
s2, positioning a circuit board: the worker takes out a circuit board, embeds the board body (1) of the circuit board into the sinking groove (13) of the positioning table (12) of the rotating mechanism (9) from top to bottom, and the sinking groove (13) is matched with the outer contour of the board body (1) of the circuit board, so that the positioning of the circuit board is realized, and at the moment, the blind groove (3) of the bonding pad (2) on the circuit board is just opposite to the positioning groove (20) of the positioning block (19) of the embedding mechanism (8) from left to right;
s3, assembling an end on a bonding pad (2) of the circuit board, wherein the specific operation steps are as follows:
s31, positioning of the end heads: the worker takes out one end, the end body (4) of the end is embedded into the positioning groove (20) of the positioning block (19) of the embedding mechanism (8) from top to bottom, and the pin (5) of the end is embedded into the groove (23) of the push block (22), so that the positioning of the end is realized because the outer contour of the end body (4) is matched with the positioning groove (20), and the left end part of the end body (4) of the end is positioned outside the positioning block (19);
s32, preliminarily embedding the left end part of the end head body (4) of the end head into the blind groove (3): the piston rod of the feeding cylinder (15) is controlled to extend leftwards, the piston rod drives the L plate (16) to move leftwards, the L plate (16) drives the positioning cylinder (18) and the pushing cylinder (21) to synchronously move leftwards, and then the positioning block (19) and the pushing block (22) are driven to synchronously move leftwards, and further the end head body (4) of the end head is driven to move towards the blind groove (3) of the bonding pad (2); after the piston rod of the feeding cylinder (15) is completely extended, the left end part of the end head body (4) is just embedded into the blind groove (3) of the bonding pad (2), so that the left end part of the end head body (4) of the end head is preliminarily embedded into the blind groove (3);
s33, controlling a piston rod of the positioning cylinder (18) to retract downwards, and enabling the piston rod to drive the positioning block (19) to retract downwards, wherein the positioning block (19) is separated from the end head body (4) of the end head;
s34, controlling a piston rod of a pushing cylinder (21) to extend leftwards, driving a pushing block (22) to move leftwards by the piston rod, pushing the right end face of the end head body (4) to move leftwards by the pushing block (22), gradually pushing the end head body (4) into a blind groove (3) of the bonding pad (2) along with the gradual extension of the piston rod of the pushing cylinder (21), and completely pushing the end head body (4) of the end head into the blind groove (3) of the bonding pad (2) after the piston rod of the pushing cylinder (21) is completely extended, so that the end head is assembled on the bonding pad (2) of a circuit board;
s35, controlling a piston rod of the pushing cylinder (21) to retract rightwards so as to reset the pushing block (22), and then controlling a piston rod of the positioning cylinder (18) to extend upwards so as to reset the positioning block (19);
s4, controlling a stepping motor (11) of the rotating mechanism (9) to start, enabling the stepping motor (11) to drive a positioning table (12) to rotate, enabling the positioning table (12) to drive a circuit board to synchronously rotate, enabling the circuit board to drive a bonding pad (2) and an end to synchronously rotate, and controlling the stepping motor (11) to be closed by a controller after the circuit board rotates by 180 degrees;
s5, sleeving a sheath (6) on the pin (5) of the end, wherein the specific operation steps are as follows:
s51, controlling the linear vibrator (25) to start, enabling the linear vibrator (25) to vibrate the guide rail (26), enabling all sheaths (6) positioned in the guide rail (26) to move to the right under vibration, and controlling the linear vibrator (25) to close after a worker observes that the sheath (6) positioned at the rightmost end in the guide rail (26) is blocked by the baffle (27);
s52, adsorbing the rightmost sheath (6): the piston rod of the vertical cylinder (31) is controlled to extend downwards, the piston rod drives the vacuum tube (32) to move downwards, the vacuum tube (32) drives the sucker (33) to move downwards, and when the piston rod of the vertical cylinder (31) extends completely, the bottom surface of the sucker (33) is just stuck to the top surface of the right-most sheath (6); then controlling a vacuum pump to start, wherein the vacuum pump vacuumizes the inner cavities of the vacuum tube (32) and the sucker (33), and the sheath (6) is adsorbed on the bottom surface of the sucker (33) under negative pressure;
s53, lifting the sheath (6): the piston rod of the vertical cylinder (31) is controlled to retract upwards, the piston rod drives the vacuum tube (32) to move upwards, the vacuum tube (32) drives the sucker (33) to move upwards, the sucker (33) drives the adsorbed sheath (6) to move upwards, when the piston rod of the vertical cylinder (31) is completely retracted, the sheath (6) can be lifted, and at the moment, the opening of the sheath (6) is just opposite to the left and right sides of the pin (5) at the end;
s54, controlling a piston rod of the horizontal cylinder (30) to extend rightwards, driving the vertical cylinder (31) to move rightwards by the piston rod, driving the sucking disc (33) and the adsorbed sheath (6) to move rightwards, and enabling the sheath (6) to be sleeved on the pin (5) of the end after the piston rod of the horizontal cylinder (30) extends completely, so that sleeving the sheath (6) on the pin (5) of the end is finally realized, and further, a required product is assembled;
s55, controlling the vacuum pump to be closed, enabling the sucker (33) not to be adsorbed on the sheath (6), and then controlling the piston rod of the horizontal cylinder (30) to retract and reset leftwards, and enabling the piston rod to drive the sucker (33) to reset;
s6, taking out the product from the sinking groove (13) of the positioning table (12) by workers;
s7, repeating the operations of the steps S2-S6, so that the assembly of a plurality of circuit boards can be continuously realized, and a plurality of required products can be assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311465422.1A CN117222217B (en) | 2023-11-07 | 2023-11-07 | Precise assembly device and method for circuit board for camera module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311465422.1A CN117222217B (en) | 2023-11-07 | 2023-11-07 | Precise assembly device and method for circuit board for camera module |
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| CN117222217B CN117222217B (en) | 2024-01-09 |
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| CN117222217B (en) | 2024-01-09 |
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